Home / 2,781,691,648.80-4,172,537,473.20-2,738,693,479.20

Finding the Fourth Proportional to 2,781,691,648.80, 4,172,537,473.20 and 2,738,693,479.20

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Solution

The fourth proportional to 2,781,691,648.80, 4,172,537,473.20 and 2,738,693,479.20 is: 4,108,040,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,691,648.80 : 4,172,537,473.20 = 2,738,693,479.20 : x
  2. Step 2: Convert to fraction form
    2,781,691,648.80/4,172,537,473.20 = 2,738,693,479.20/x
  3. Step 3: Cross multiply
    2,781,691,648.80x = 4,172,537,473.20 × 2,738,693,479.20
  4. Step 4: Simplify right side
    2,781,691,648.80x = 11,427,301,169,570,484,224
  5. Step 5: Solve for x
    x = 11,427,301,169,570,484,224/2,781,691,648.80
  6. Step 6: Final answer
    x = 4,108,040,218.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.